. >> steven johnson is our guest on sunday. the director of a books will look at science history, the cyberworld, popular culture, live at noon eastern on book tv on c-span 2. >> the bureau of labor statistics has announced the unemployment rate has dropped from 8.1% to 7.8% in september, the lowest level since january 2009. president obama spoken by the job picture at this venue at george mason university. it is about 30 minutes. >> hello, everybody! [cheers and applause] hello, george mason! hello, patriots! [cheers and applause] good to see you guys. thank you. thank you. [cheers and applause] thank you! thank you. thank you so much. thank you. [cheers and applause] thank you. everybody, have a seat. have a seat. thank you. well, it is good to be here. i am so proud to have katherine's support. can you give her a big round of applause for that great introduction. [applause] it's also good to know that we've got the former governor and next united states senator from the commonwealth of virginia, tim kaine! and your congressm